With the release of Rails 4.0.0.rc1 it's time to try it out and report any bugs. Here I walk you through the steps to upgrade a Rails 3.2 application to Rails 4.
(12 minutes)
Editing one record at a time can be tedious work. Here you will learn three different ways to edit multiple records at once using checkboxes.
(15 minutes)
Rails 4.0 is still unfinished, but it is shaping up to become a great release. Here I show how to setup a new Rails 4.0 (edge) application and walk through many of its new features.
(20 minutes)
Allow users to import records into the database by uploading a CSV or Excel document. Here I show how to use Roo to parse these files and present a solution for validations.
(10 minutes)